Home / 55,536.70-76,642.68-31,663.12

Finding the Fourth Proportional to 55,536.70, 76,642.68 and 31,663.12

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Solution

The fourth proportional to 55,536.70, 76,642.68 and 31,663.12 is: 43,696.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,536.70 : 76,642.68 = 31,663.12 : x
  2. Step 2: Convert to fraction form
    55,536.70/76,642.68 = 31,663.12/x
  3. Step 3: Cross multiply
    55,536.70x = 76,642.68 × 31,663.12
  4. Step 4: Simplify right side
    55,536.70x = 2,426,746,373.96
  5. Step 5: Solve for x
    x = 2,426,746,373.96/55,536.70
  6. Step 6: Final answer
    x = 43,696.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.